Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
khia canh » kho canh, thi canh
hanh hang » thanh hang, hang hang, hanh han
tong cong » trong cong, cong cong, dung cong
danh toan » manh toan, anh toan, dan toan
khi xanh » thi hanh, thi anh, thi oanh
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((khi xanh) OR (khia canh)) - hanh hang va ((nhung cong) or (tong cong)) danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((khi xanh) OR (khia canh)) - hanh hang va ((nhung cong) OR (tong cong)) danh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((khi xanh) OR (khia canh)) - hanh hang va ((nhung cong) or (tong cong)) danh toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((khi xanh) OR (khia canh)) - hanh hang va ((nhung cong) or (tong cong)) danh toan cau*.